/**
 *  @(#)  IFAAAuthenticator  module    1.0  2017/03/24
 *
 *  Copyright  (c)  2017,  IFAA  and/or  its  affiliates.  All  rights  reserved.
 *
 *  Redistribution  and  use  in  source  and  binary  forms,  with  or  without
 *  modification,  are  permitted  provided  that  the  following  conditions  are  met:
 *
 *  -Redistribution  of  source  code  must  retain  the  above  copyright  notice,  this
 *    list  of  conditions  and  the  following  disclaimer.
 *
 *  -Redistribution  in  binary  form  must  reproduce  the  above  copyright  notice,
 *    this  list  of  conditions  and  the  following  disclaimer  in  the  documentation
 *    and/or  other  materials  provided  with  the  distribution.
 *
 *  Neither  the  name  of  IFAA  or  the  names  of  contributors  may
 *  be  used  to  endorse  or  promote  products  derived  from  this  software  without
 *  specific  prior  written  permission.
 *
 *  This  software  is  provided  "AS  IS,"  without  a  warranty  of  any  kind.  ALL
 *  EXPRESS  OR  IMPLIED  CONDITIONS,  REPRESENTATIONS  AND  WARRANTIES,  INCLUDING
 *  ANY  IMPLIED  WARRANTY  OF  MERCHANTABILITY,  FITNESS  FOR  A  PARTICULAR  PURPOSE
 *  OR  NON-INFRINGEMENT,  ARE  HEREBY  EXCLUDED.  IFAA,  ORG.
 *  AND  ITS  LICENSORS  SHALL  NOT  BE  LIABLE  FOR  ANY  DAMAGES  SUFFERED  BY  LICENSEE
 *  AS  A  RESULT  OF  USING,  MODIFYING  OR  DISTRIBUTING  THIS  SOFTWARE  OR  ITS
 *  DERIVATIVES.  IN  NO  EVENT  WILL  IFAA  OR  ITS  LICENSORS  BE  LIABLE  FOR  ANY  LOST
 *  REVENUE,  PROFIT  OR  DATA,  OR  FOR  DIRECT,  INDIRECT,  SPECIAL,  CONSEQUENTIAL,
 *  INCIDENTAL  OR  PUNITIVE  DAMAGES,  HOWEVER  CAUSED  AND  REGARDLESS  OF  THE  THEORY
 *  OF  LIABILITY,  ARISING  OUT  OF  THE  USE  OF  OR  INABILITY  TO  USE  THIS  SOFTWARE,
 *  EVEN  IF  IFAA  HAS  BEEN  ADVISED  OF  THE  POSSIBILITY  OF  SUCH  DAMAGES.
 *
 *  You  acknowledge  that  this  software  is  not  designed,  licensed  or  intended
 *  for  use  in  the  design,  construction,  operation  or  maintenance  of  any
 *  nuclear  facility.
 *
 */
package com.ifaa.sdk.auth;

import android.content.Context;
import android.os.Build;

import com.ifaa.sdk.authenticatorservice.fingerprint.manager.IFAAFingerprintManagerFactory;
import com.ifaa.sdk.adapter.FingerprintAuthenticatorAdapter;

import org.ifaa.android.manager.IFAAManager;

/**
 * 
 * @author junsui.ljs
 * @version $Id: FingerPrintFactory.java, v 0.1 2014-05-01 5:05:28 junsui.ljs
 *          Exp $
 */

public class AuthenticatorFactory {


    /**
     * 指纹：缓存的校验器对象
     */
    private static IAuthenticator mFingerprintAuthenticatorCache = null;


    /**
     * create a fingerprint
     * 
     * @param context
     * @param type
     * @return
     */
    public synchronized static IAuthenticator create(Context context, int type) {
        if (type == Constants.TYPE_FINGERPRINT) {

            if (mFingerprintAuthenticatorCache == null) {
                mFingerprintAuthenticatorCache = createInside(context, type);
            }

            return mFingerprintAuthenticatorCache;

        } else {
            return createInside(context, type);
        }
    }

    /**
     * create a fingerprint
     * 
     * @param context
     * @return
     */
    private static IAuthenticator createInside(Context context, int type) {
        try {
            if (type == Constants.TYPE_FINGERPRINT) {
                // 根据准确的特性判断是否走集成service
                AuthenticatorLOG.fpInfo("SDK_VERSION:" + Build.VERSION.SDK_INT);
                if (Build.VERSION.SDK_INT >= 21) {
                    IFAAManager manager = IFAAFingerprintManagerFactory.getIFAAManager(context);
                    if (manager != null
                        && (manager.getSupportBIOTypes(context) & Constants.TYPE_FINGERPRINT) != 0) {
                        return new FingerprintAuthenticatorAdapter(context);
                    }

                    AuthenticatorLOG.fpInfo("IFAAManager create failed ");
                }

                return null;

            }
        } catch (Exception e) {
            AuthenticatorLOG.error(e);
            return null;
        }

        throw new IllegalArgumentException("Unknown type : " + type);
    }

}
